It has 4,000 international units (IU) of vitamin D3, right at the Tolerable Upper Intake Level (UL), which is something to keep in mind if you take other supplements. But, we like that Cymbiotika ...

“Sunscreen reduces the amount of vitamin D you get overall, but not to the point where deficiency becomes a concern for most ...

Look for supplements that are made by reputable manufacturers who ... it is recommended that adults take between 1,000 and 2,000 IU of Vitamin D3 per day, and between 100 and 200 mcg of Vitamin ...

Researchers conducted a post hoc analysis to assess the effect of calcium and vitamin D supplementation on mortality among postmenopausal women.

Four scientists reflect on how to foster a more sustainable relationship between water and society amid complex and wide-ranging challenges.